diff --git a/src/service/device_io_service.cpp b/src/service/device_io_service.cpp
index 35ecd00..a0426e3 100644
--- a/src/service/device_io_service.cpp
+++ b/src/service/device_io_service.cpp
@@ -192,6 +192,8 @@ DeviceIOService::env_sensor_state_t DeviceIOService::getEnvSensorState() {
   56(16Byte)  | 大气压力       PPM
   57(16Byte)  | tvoc           ppm
   58(16Byte)  | hcho           mg/m3
+  59(16Byte)  | light_intensity           H
+  60(16Byte)  | light_intensity           L
   */
   env_sensor_state.wind_speed = modbus03rx.getReg(48);
   env_sensor_state.wind_direction = modbus03rx.getReg(49);
@@ -204,6 +206,8 @@ DeviceIOService::env_sensor_state_t DeviceIOService::getEnvSensorState() {
   env_sensor_state.atmospheric_pressure = modbus03rx.getReg(56);
   env_sensor_state.tvoc = modbus03rx.getReg(57);
   env_sensor_state.hcho = modbus03rx.getReg(58);
+  env_sensor_state.light_intensity = uint32_t(modbus03rx.getReg(59)) << 16 | uint32_t(modbus03rx.getReg(60));
+
   logger->debug(
       "getEnvSensorState, "
       "wind_speed={},wind_direction={},temperature={},humidity={},noise={},pm2_5={},pm10={},co2={},atmospheric_"
diff --git a/src/service/device_io_service.hpp b/src/service/device_io_service.hpp
index 8374fa2..c007865 100644
--- a/src/service/device_io_service.hpp
+++ b/src/service/device_io_service.hpp
@@ -149,6 +149,8 @@ class DeviceIOService : public enable_shared_from_this<DeviceIOService> {
   56(16Byte)  | 大气压力       PPM
   57(16Byte)  | tvoc           ppm
   58(16Byte)  | hcho           mg/m3
+  59(16Byte)  | light_intensity           H
+  60(16Byte)  | light_intensity           L
   */
 
   typedef struct {
@@ -163,6 +165,7 @@ class DeviceIOService : public enable_shared_from_this<DeviceIOService> {
     uint16_t atmospheric_pressure;
     uint16_t tvoc;
     uint16_t hcho;
+    uint32_t light_intensity;
   } env_sensor_state_t;
 
   virtual env_sensor_state_t getEnvSensorState();
diff --git a/src/service/main_control_service.cpp b/src/service/main_control_service.cpp
index e66d345..f4143b7 100644
--- a/src/service/main_control_service.cpp
+++ b/src/service/main_control_service.cpp
@@ -82,6 +82,7 @@ void MainControlService::processReceiveMessage(fromwhere_t fromwhere, const json
     SET_DEVICE_STATE("atmospheric_pressure", env.atmospheric_pressure, "hPa");
     SET_DEVICE_STATE("tvoc", env.tvoc, "ppm");
     SET_DEVICE_STATE("hcho", env.hcho, "mg/m³");
+    SET_DEVICE_STATE("light_intensity", env.atmospheric_pressure, "lux");
     SET_DEVICE_STATE("InterTemperature", m_deviceIOService->getInterTemperature(), "℃");
 
     SET_DEVICE_STATE("fan1powerRate", m_deviceIOService->fanGetState(0), "%");
@@ -141,6 +142,7 @@ void MainControlService::processReceiveMessage(fromwhere_t fromwhere, const json
     receipt["atmospheric_pressure"] = env.atmospheric_pressure;
     receipt["tvoc"] = env.tvoc;
     receipt["hcho"] = env.hcho;
+    receipt["light_intensity"] = env.light_intensity;
   } else if (in["command"] == "fanGetState") {
     // int id = in["id"];
     receipt["power"][0] = m_deviceIOService->fanGetState(0);